Combine milk, oil, and salt in a pot and bring it boil.
Put tapioca flour in a large mixing bowl and pour the hot milk mixture over; stir briefly. Add the eggs and mix well with a wooden spoon. Add the cheeses and mix well.
Using a tablespoon cookie scoop or a spoon, drop the dough in a size of golf bowl on a baking sheet lined with a parchment paper, 2-inch apart. Bake for 15-20 minutes until the edges gets slightly golden brown. Serve hot.